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Yes, I clean the sensor wells out, and l have the flush interval set to eight hours. I was offered the RO system, but declined it because there is no place to install it in my mechanical area. I just...

I started in the trade as a helper at 46, proceeded through my refrigeration apprenticeship, and have 12 years in at this point. Yes, it gets tough on older backs and knees, but chances are you can...

It is possible to keep one of these units operating for quite some time, but it requires scrupulous cleaning at approximately two to three-week intervals. I shut the unit down on the morning of the...

I figured this out, finally. Usually, most of my "jobs from hell" need some cooling-off time so I can relax and think them through, and this one was no exception, although I should have been a bit...

Earlier today, I was on a call to replace the inducer assembly on a Carrier 58STA-110-12 furnace. This sounds like it should be elementary - I've done lots of inducer swapouts - but this one has...

Regarding the Lennox SLP98V, the company I work for also has installed some of these, and we've experienced trouble as well. We think we have found a solution to the "pressure switch" fault. It turns...

It is better to "sweep" the tubing with nitrogen while you are brazing. Set the nitrogen regulator to about 1-2 psig; the pressure will be so low you might not even feel it coming out the other end....

Sears sells a small ratcheting tubing cutter (up to 1-18" capacity) that will let you cut tubing without having to rotate the thing all the way around once it's tightened onto the tubing. I find it...

Grasshopper is dead right about the Stinger. They really do "sting" your ears! They have a high-pitched component to their sound that is definitely bad for the hearing apparatus. When I first started...

I got a UEI DL259 multimeter a few weeks ago, and really like it for HVAC work, except for one thing: when I hook it up in series to a flame sensor circuit to get the microamp reading (DC only - on...

A forty-foot lineset shouldn't be a problem, but you may want to check the condensing unit's installation or service manuals to see how much refrigerant should be added to the system when you install...